mariadb/mysql-test/t/user_var.test
unknown 5a3c12effb Merge with 3.23 tree to get latest bug fixes
BitKeeper/etc/logging_ok:
  auto-union
sql/item_func.cc:
  Auto merged
mysql-test/t/user_var.test:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/log_event.h:
  Auto merged
sql/nt_servc.cc:
  Auto merged
configure.in:
  Use local version
innobase/os/os0file.c:
  Use local version
innobase/page/page0page.c:
  Use local version
innobase/row/row0sel.c:
  Use local version
innobase/row/row0vers.c:
  Use local version
mysql-test/r/order_by.result:
  Use local version
mysql-test/r/user_var.result:
  merge with 3.23
mysql-test/t/order_by.test:
  Use local version (test is already in range.test)
sql/log.cc:
  Use local version
sql/share/spanish/errmsg.txt:
  merge
sql/slave.cc:
  Use local version
sql/sql_class.h:
  Use local version
sql/sql_select.cc:
  Use patch in 4.0 for range with NULL problem
2003-07-01 15:02:16 +03:00

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1 KiB
Text

error 1054;
set @a := foo;
set @a := connection_id() + 3;
select @a - connection_id();
# Check using and setting variables with SELECT DISTINCT
drop table if exists t1,t2;
CREATE TABLE t1 ( i int not null, v int not null,index (i));
insert into t1 values (1,1),(1,3),(2,1);
create table t2 (i int not null, unique (i));
insert into t2 select distinct i from t1;
select * from t2;
select distinct t2.i,@vv1:=if(sv1.i,1,0),@vv2:=if(sv2.i,1,0),@vv3:=if(sv3.i,1,0), @vv1+@vv2+@vv3 from t2 left join t1 as sv1 on sv1.i=t2.i and sv1.v=1 left join t1 as sv2 on sv2.i=t2.i and sv2.v=2 left join t1 as sv3 on sv3.i=t2.i and sv3.v=3;
explain select * from t1 where i=@vv1;
explain select * from t1 where @vv1:=@vv1+1 and i=@vv1;
explain select @vv1:=i from t1 where i=@vv1;
explain select * from t1 where i=@vv1;
drop table t1,t2;
# Check types of variables
select @a:=10, @b:=1, @a > @b, @a < @b;
select @a:="10", @b:="1", @a > @b, @a < @b;
select @a:=10, @b:=2, @a > @b, @a < @b;
select @a:="10", @b:="2", @a > @b, @a < @b;